Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Recrystallisation Lower critical Upper critical Eutectic Recrystallisation Lower critical Upper critical Eutectic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The carbonating tower used in Solvay process of soda ash manufacture is made of Lead lined steel Cast iron Karbate Stainless steel Lead lined steel Cast iron Karbate Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardened steel is softened by Normalising Tempering Annealing Carburising Normalising Tempering Annealing Carburising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon supply in pack carburising process is in the form of Hydrocarbon oil Graphite Charcoal Calcium carbide Hydrocarbon oil Graphite Charcoal Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Ferromagnetic at room temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Not resistant to oxidation at high temperature Ferromagnetic at room temperature Ferromagnetic above its curie point (i.e., 415°C) Having h.c.p. crystal lattice Not resistant to oxidation at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rotary driers are generally made of High silicon iron (14% Si) Mild steel Cast iron Tin lined with refractory bricks High silicon iron (14% Si) Mild steel Cast iron Tin lined with refractory bricks ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS